TCP Vs UDP

TCP : Transmission Control Protocol 

UDP : User Datagram Protocol 

TCP : Connection Orientation Protocol 

UDP : Connection less Protocol

TCP : Secure

UDP : Unsecure

TCP : Guaranteed Transmission

UDP : No Guarantee 

TCP : Flow Control and Error Checking

UDP : No Flow Control and Error Checking

TCP : Acknowledgment Mechanism

UDP : No Acknowledgment 

TCP : 3 Way Handshake (SYN, SYN-ACK, ACK)

UDP : No Handshake 

TCP : 20 Bytes Header Size

UDP : 8 Bytes Header Size

TCP : Speed is slower than UDP

UDP : UDP is faster because error recovery no attempted.

TCP : Protocols are HTTP, HTTPs, FTP, SMTP, Telnet,SSH

UDP : Protocols are DNS, DHCP, TFTP, SNMP, VoIP